n5ac/smartsdr-dsp
1
0
Fork 0
mirror of https://github.com/n5ac/smartsdr-dsp.git synced 2026-04-05 14:25:30 +00:00
Code Issues Projects Releases Packages Wiki Activity

Buffering working but decode de-stabilizes to FFs and 00s

Browse source
This commit is contained in:
Ed Gonzalez 2015-06-11 18:35:05 -05:00
parent aabd5424cb
commit 880581d4ea
3 changed files with 53 additions and 63 deletions
Download patch file Download diff file Expand all files Collapse all files

50
DSP_API/SmartSDR_Interface/sched_waveform.c
View file

@ -375,54 +375,24 @@ static void* _sched_waveform_thread(void* param)
} else {
/* Nothing to do since we have not "locked" a bit out yet */
}
}
if ( ambe_packet_out == TRUE ) {
nout = 0;
nout = thumbDV_decode(_dv_serial_fd, ambe_out, speech_out, DV_PACKET_SAMPLES);
//if (nout) output(" %d \n", speech_out[i]);
for( i=0 ; i < nout ; i++)
cbWriteShort(RX3_cb, speech_out[i]);
}
fdmdv_24_to_8(float_out_8k, &float_in_24k[MEM_24], DV_PACKET_SAMPLES);
for(i=0 ; i< DV_PACKET_SAMPLES ; i++)
{
cbWriteShort(RX2_cb, (short) (float_out_8k[i]*SCALE_RX_IN));
}
}
// // Check for >= 320 samples in RX2_cb and spin vocoder
// Move output to RX3_cb.
nin = DV_PACKET_SAMPLES;
if ( csbContains(RX2_cb) >= nin )
{
//
for( i=0 ; i< nin ; i++)
{
demod_in[i] = cbReadShort(RX2_cb);
}
nout = DV_PACKET_SAMPLES;
/********* ENCODE *///////////////
//nout = freedv_rx(_freedvS, speech_out, demod_in);
//
//nout = thumbDV_encode(_dv_serial_fd, demod_in, packet_out, nin);
//nout = 0;
// if (nout == 0 ) {
// output("x");
// } else {
// nout = thumbDV_decode(_dv_serial_fd, packet_out, speech_out, nout);
// if (nout == 0 ) output("y");
// }
//nout = thumbDV_decode(_dv_serial_fd, NULL, speech_out, nout);
for( i=0 ; i < nout ; i++)
{
//cbWriteShort(RX3_cb, speech_out[i]);
cbWriteShort(RX3_cb, demod_in[i]);
}
}
// Check for >= 128 samples in RX3_cb, convert to floats
// and spin the upsampler. Move output to RX4_cb.